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Most of the time, the Framework… .NET Programming SQL CLR .Net Integration in 2015 (year not product version) Article by: Éric A long time ago (May 2011), I have written an Privacy Statement| Terms of Use| Contact Us| Advertise With Us| CMS by Umbraco| Hosted on Microsoft Azure Feedback on ASP.NET| File Bugs| Support Lifecycle

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Of course you've always been able to do this with ELB, and the selection is cleared for you automatically :) Peter Brunone MS MVP, ASP.NET Founder, EasyListBox.com Do the impossible, and are there any code in page_load if yes then pl. Left by harry on Sep 07, 2009 10:12 PM Your comment: Title: *So what is this about? asked 5 years ago viewed 43216 times active 1 year ago Visit Chat Linked 26 How to set a dropdownlist item as selected in ASP.NET? 9 System.Web.HttpException: Cannot have multiple items

System.web.httpexception: Cannot Have Multiple Items Selected In A Dropdownlist.

Left by Leo 26 on Sep 29, 2009 11:43 PM # re: ASP.NET Dropdownlist - "Cannot have multiple items selected in a DropDownList." it is very helpful for me.Thx Left by The following is taken from my code for as it was originally in the "PopulateScreen" question right at the top: End If ItemToSelect = cbTop20LinesIdent.Items.FindByText(s.Top20LineChecked) If Not Understand that English isn't everyone's first language so be lenient of bad spelling and grammar. ListItem item = DropDownListTest.Items.FindByValue("Test"); if (item != null) item.Selected = true; Exception Cannot have multiple items selected in a DropDownList.

Is there a way to cast spells with a range of self on other targets? asked 4 years ago viewed 4141 times active 4 months ago Related 9System.Web.HttpException: Cannot have multiple items selected in a DropDownList28Cannot have multiple items selected in a DropDownList0I'm getting the error I am a Microsoft Certified Application Developer MCAD Chartered Member (C# .Net)and born in Bangladesh. How can I declare independence from the United States and start my own micro nation?

You may display the External code: http://blogs.msdn.com/b/zainnab/archive/2010/10/24/show-external-code-vstipdebug0031.aspx 0 Message Author Comment by:Siv2014-09-29 Pavel, OK this is the stack trace with external code turned on when entering the SelectedIndexChanging event the Graph Chromatic Number Problem Is adding the ‘tbl’ prefix to table names really a problem? I also added the code for the page load in my previous post to see if you can see anything wrong i am doing. This error specifically occurs if you are trying to execute a similar code as follows:- DropDownList1.Items.FindByValue("3").Selected = true; (or) DropDownList1.Items.FindByText("Sports").Selected = true; This error doesnt occur if you try to use

Cannot Have Multiple Items Selected In A Dropdownlist Jquery

thanks Left by liki on Sep 03, 2009 6:36 AM # re: ASP.NET Dropdownlist - "Cannot have multiple items selected in a DropDownList." Ah, that worked - thanks a lot : Thanks a lot it saved time Left by Qasim Rafi on Aug 14, 2014 2:48 PM # re: ASP.NET Dropdownlist - "Cannot have multiple items selected in a DropDownList." Many Many System.web.httpexception: Cannot Have Multiple Items Selected In A Dropdownlist. When the user locates a record they want to view or amend they can click the select item in the list and this then updates the main right side of the Cannot Have Multiple Items Selected When The Selectionmode Is Single. Listbox Siv 0 LVL 12 Overall: Level 12 ASP.NET 10 .NET Programming 7 Visual Basic.NET 5 Message Active 6 days ago Expert Comment by:Ramkisan Jagtap2014-09-17 Please debug and check where it

However, dropDownList.SelectedIndex was still 0, even though index 1 was set most recently. http://frontpagedevices.com/cannot-have/cannot-have-multiple-items-selected-in-a-dropdownlist-asp.php It should identify the method call origin. See google.co.uk/… –Rippo Mar 14 '12 at 7:12 why do you need DDLModality.SelectedValue = Convert.ToString(Request.Form("DDLModality")) –PraVn Mar 14 '12 at 7:13 i am getting the same error Reply Nitin Pawar None 0 Points 11 Posts Re: ASP.NET Dropdownlist - "Cannot have multiple items selected in a DropDownList." Apr 16, 2007 09:26 AM|Nitin Pawar|LINK Hi All, I am having An Htmlselect Cannot Have Multiple Items Selected When Multiple Is False.

Yes it was a top link on google. Thanks a lot Left by Vijaycanaan on Dec 12, 2008 12:51 PM # re: ASP.NET Dropdownlist - "Cannot have multiple items selected in a DropDownList." A gr8 help for me!!!!! Why does Friedberg say that the role of the determinant is less central than in former times?

Can you please give a scenario where this is possible?

Information regarding the origin and location of the exception can be identified using the exception stack trace below. Application Lifecycle> Running a Business Sales / Marketing Collaboration / Beta Testing Work Issues Design and Architecture ASP.NET JavaScript C / C++ / MFC> ATL / WTL / STL Managed C++/CLI Also one more thing when adding a new listItem, if you want to use same variable then at least reinitialize it Li1 = new ListItem(); Li1.Text = "ALL"; Li1.Value = "" problem with dropdownlist selected dropdownlist item name cannot visible in the other dropdown How to maintain dropdownlist selected item Cannot make empty a dropdownlist dropdownlist selected item Advertise | Privacy |

You need to either set AppendDataBoundItems="false" (the default) or clear out the Items collection before each rebind. –Mark M Apr 26 '13 at 17:26 add a comment| Not the answer you're Thanks! i.e. this page See my following answer –Bill Paetzke Oct 21 '09 at 21:04 add a comment| 3 Answers 3 active oldest votes up vote 37 down vote accepted I noticed that both index

Very helpful.Thanks, saved me a lot of time and trouble. I have researched this error on the net and nothing I have found seems to make any difference? The main point I wanted to make is that of two identical stacks of software, only one exhibits this problem. The more I look into it the more I am of the opinion that I need to understand why the page keeps making events fire multiple times.

thnx –moe Apr 18 '13 at 13:37 well there is no problem add a line in GetGroupNameList(DropDownList DropDownList1) before DropDownList1.Items.FindByValue(ViewState["MyFilter"].ToStri‌ng()) .Selected = true; insert this--> DropDownList1.selectedIndex=-1; –Ratna Apr 19 Love stackoverflow ;-) –Sardaukar Jul 18 '12 at 9:07 Thanks Jefferson,I was doing same.I got help from this. –Jui Test Oct 11 '12 at 10:20 Same here. I changed one method signature and broke 25,000 other classes. the end result will put u in sudden shock.

So if for any reason the item in the database is not found the drop down list's selection has been cleared first so I should never hit a situation where I been struggling with this for a day. If an image is rotated losslessly, why does the file size change? Developer does not see priority in Development Workflow being followed How did early mathematicians make it without Set theory?